Home / 9,717.14-13,403.40-5,738.02

Finding the Fourth Proportional to 9,717.14, 13,403.40 and 5,738.02

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Solution

The fourth proportional to 9,717.14, 13,403.40 and 5,738.02 is: 7,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.14 : 13,403.40 = 5,738.02 : x
  2. Step 2: Convert to fraction form
    9,717.14/13,403.40 = 5,738.02/x
  3. Step 3: Cross multiply
    9,717.14x = 13,403.40 × 5,738.02
  4. Step 4: Simplify right side
    9,717.14x = 76,908,977.27
  5. Step 5: Solve for x
    x = 76,908,977.27/9,717.14
  6. Step 6: Final answer
    x = 7,914.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.